With every passing day the Mule provides opportunities beyond our original expectations. Since the 467ci engine belongs to HPP editor Tom DeMauro, it is at our beck and call. This affords HPP the ...

In December, it emerged that Mercedes had found a possible loophole in the rules that could lead to a performance advantage.

A late rule change could turn the 2026 season on its head.

Formula 1's governing body, the FIA, has announced a resolution to the sport's regulatory row over engine compression ratios, ...

Formula 1 constructors and the FIA have reached a compromise to quell the compression ratio saga that has dominated the 2026 pre-season ...

Formula One’s governing body has reached a compromise with manufacturers that changes the way the compression ratio will be ...

The FIA has updated the 2026 F1 engine rules, changing how compression ratios are measured to prevent loopholes.

Formula One’s governing body, the FIA, has reached a compromise with power unit manufacturers to tighten how engine ...

Formula 1 bosses are moving towards a rule change that would close a loophole rivals believe Mercedes have exploited in the ...

A political firestorm has been brewing in Formula 1 in recent weeks and months over whether engine manufacturers have found a loophole in the new 2026 technical regulations. Mercedes and Red Bull may ...

You've probably heard racers talking about leakdown testing as a method of verifying engine condition. Being a hot rodder, you've probably performed a similar function by using a compression tester to ...